With the increasing complexity of building technologies and construction methods and growing Government regulations, a greater demand for professional caliber contractors is evident. People are needed who can accept responsibility, control the cost and the quality of services they perform.

By requesting an ORAC and UA Local 787 member to perform the work directly, the owner, consultant, specifier or general contractor will gain true and long-lasting value and Industry expertise.


  • Access to a network of over 100 like-minded HVAC contractors
  • Attendance and voting rights at the ORAC Annual General Meeting
  • Attendance at all social/networking events
  • Access to ORAC’s technical resources including TSSA pre-approved P-drawings, brazing procedures and testing facilities
  • Intimate access to ORAC associate members and suppliers
  • Attendance at all training/educational events
  • Eligible to become a member of the ORAC board
  • Industry exposure to potential clients via ORAC’s website

Together, these benefits offer financial savings which equate to thousands of dollars for an average company.

If you are a UA Local 787 member complete your application today!


Our Contractors

Absolute Alliance HVAC Solutions Absolute Alliance HVAC Solutions provides HVACR services in installation, maintenance and service in the Toronto area.
Ainsworth Inc. Based in Toronto, Ainsworth operates across Canada and is a leading multi-trade company that offers technical trade services like HVAC, mechanical, electrical, data cabling, and building and industrial automation.
Airco Ltd. Airco Ltd. specializes in refrigeration, HVAC and related services across a variety of sectors in the Sudbury, Ontario area.
Ambient Mechanical Ltd Since 1982 Ambient Mechanical Ltd has been taking care of all our clients' HVAC needs in commercial offices, industrial, institutional and multi-residential buildings.
Applied Systems Technologies Inc. Applied Systems Technologies Inc. provides a variety of HVACR services for commercial properties in the GTA.
Art Blake Refrigeration Limited Operating out of London, Ontario, Art Blake Refrigeration Ltd. offers HVACR services including installations, maintenance, emergency services and equipment audits.
B.I.C. Mechanical Limited
Beebe Mechanical Systems Ltd. A family-owned business since 1946, Beebe Mechanical Systems Ltd, located in Thunder Bay, offers installation and repair services for air conditioning, heating and mechanical systems.
Berg Chilling Systems Inc. Berg Chilling Systems designs and manufactures industrial thermal process control systems for a wide range of applications using both natural and HFC refrigerants.
Bering Mechanical Ltd. Bering Mechanical Ltd. specializes in design/build and lump sum projects for new construction, tenant work, renovations and retrofit of commercial and industrial facilities.
BGIS BGIS is specializes in facilities management, project delivery, professional, workplace solutions and real estate management services.
Black & McDonald Black & McDonald is an integrated, multi-trade prime contractor serving government, institutions, industry and commerce across Canada, the US and overseas.
Boydaire Ltd. Boydaire is a heating contractor located in Ajax, Ontario.
Buhler Mechanical Service Ltd. Industrial, commercial and residential refrigeration, air conditioning, heating, and sheet metal. Sales, serviced and installation.
Canem Systems Canem Systems uses the latest technologies to deliver projects on time with a level of excellence you can trust. You can rely on us as your contractor because we’ve been putting relationships first for nearly 60 years.
Carmichael Engineering Ltd. Carmichael - experts in thermal energy systems.
Carrier Canada Ltd Carrier provides home comfort solutions.
Chadair Systems Inc.
CIMCO CIMCO designs, manufactures, installs and services high-quality, cost-efficient industrial, process cooling and recreational refrigeration systems.
Circa Refrigeration Inc. Commercial/Industrial Refrigeration & HVAC service and installation
Climatech Inc. Climatech is a service and maintenance company keeping customers comfortable since 1985.
Clow Darling Limited Commercial, Industrial, Refrigeration, Air Conditioning, Plumbing, Heating service and installation.
Coldworks Refrigeration Inc. Coldworks Refrigeration Inc. specializes in all aspects of HVAC and refrigeration.
Complete Comfort Niagara Inc. Complete Comfort Niagara Inc. has earned the reputation among its customers, as a leading Heating, Ventilation, Air Conditioning & Refrigeration Contractor in the Niagara Region.
Conestogo Mechanical Inc. We provide 24hr/7day service in HVAC, serving Industrial, Commercial, Institutional and Multi Residential. We employ over 20 highly trained professionals.
Continental Air Systems Inc. 905-855-7519
Contrast Heating & Air Conditioning Ltd. 416-223-8552
Cool Check Commercial HVAC Contractor of Choice
Coolbreeze We understand that the management of your HVAC systems is critical to your business operations and to that end Coolbreeze employs only dedicated, experienced and fully licensed HVAC technicians.
Coolmark Mechanical 905-265-9620
Coral Canada Wide Coral Canada Wide Is a well-established, privately owned company with a proven track record of providing professional HVAC-R Services since 1992.
Core One Mechanical Group Inc. Core One Mechanical Group Inc. is your single-source Geothermal and HVAC solution. We can solve your geothermal, HVAC, maintenance, and equipment repair issues in your commercial, multi-residential and industrial properties.
Cyber Air Systems Inc. Commercial/Industrial refrigeration, air conditioning and heating service and installation, chiller installation and service, and certified brazing.905-569-8040
Daikin Applied Canada Inc. We believe your air can be doing more. Every day, we aim to create better outcomes for our customers, so you can breathe easier.
DCS Innovative HVAC-R Solutions Inc. Service and installation of industrial, institutional and commercial refrigeration, air conditioning, and heating systems.
Demand Air Systems Ltd. Demand Air Systems has been designing, installing, servicing and maintaining Air Conditioning/Heating Systems since 1978. Our many years of experience have allowed us to service our customers with the expertise necessary to meet their HVAC requirements.
Dilfo HVAC Services Commercial, industrial and institutional heating, air conditioning, ventilation and refrigeration. We provide specialty equipment, maintenance, service and construction.
Donair Heating & Air Conditioning Service Ltd. 905-727-2023
Drennan Refrigeration Inc. Industrial Refrigeration Contractors/Refrigeration Design Build Engineers/Industrial Refrigeration Supplies.
Dunlis Mechanical Services Ltd. Focused on commercial/industrial refrigeration, air conditioning, heating preventative maintenance/repair. Design/build/installation of sheet metal.
E.S. Fox Limited E.S. Fox Limited provides service oriented, value added, multi-trade solutions on all your ICI and energy projects. We can manage your job from start to finish.
Enercare Enercare specializing in Commercial and Industrial l HVAC and Water Heating products and services, with purchase, lease and rental options available.
ENGIE MultiTech Ltd. Build, install & maintain mechanical systems such as HVAC, Plumbing, and Sheet Metal for Industrial, Commercial, Institutional and Biotech facilities
Environmental Systems Corporation Environmental Systems Corporation's specialties include turn key construction of complete Cleanroom Projects, and building custom HVAC Solutions, which is part of their Critical Environments Division.
Fahrhall Mechanical Contractors Limited Provide reliable heating, cooling, plumbing and air quality service and installation to residential, commercial and industrial customers in the Windsor-Essex-Kent Counties. Top brand equipment, professional installation, and service in the heating and cooling industry.
FL Mechanical FL Mechanical is an HVAC service and installation company, also with extensive experience in paint spray
General Air Systems Inc.
Gordon Wright Electric Limited
Grayco Air Air Conditioning/Refrigeration/Heating/Ventilation/Pneumatics/Electrical.
H.V.A.C. Consultants Inc.
Haller Mechanical Contractors Inc. Haller Mechanical Contractors Inc. is a full service Mechanical Contractor, specializing in Plumbing, Heating, Cooling, Refrigeration, and Sheet Metal. Providing licensed skilled trades to the Industrial, Commercial and Institutional markets in Windsor-Essex-Chatham-Kent-Lambton Counties with professional, repair, maintenance, build and installation services. Offering 24/7/365 service.
Heco Limited Heco Limited has now had over 20 years of success in the industrial and commercial refrigeration, cooling and heating industry.
Honeywell Honeywell is building a smarter, safer, and more sustainable world. That’s the Power of Connected. That’s the Power of Honeywell.
Hubbard Mechanical Incorporated Commercial/Industrial Refrigeration, Air Conditioning & Heating Service and Installation.807-473-7792
HVAC Dimensions Ltd. Commercial contractor specializing in VAV/VVT, computer rooms, BAS, Mitsubishi City Multi and Fujitsu ductless systems, VFD's, make-up air units, boilers and pneumatics.
Industrial Refrigerated Systems Inc. Industrial Refrigerated Systems Ltd installs, services and operates industrial refrigeration systems, specializing in recreational facilities management, industrial food and beverage production, cold storage facilities, manufacturing and packaging plants, and ice and curling rinks.
J. Melvin Associates
J.F. Mechanical Air Systems Inc.
J.L. Refrigeration Inc. Supermarket/Commercial Refrigeration & HVAC, Service and Installation.
Jade Logic Building Technologies Inc.
Johnson Controls Inc. A key part of your mission is to build and operate facilities that are safe and secure, whether your facility is designed for people, for products, or for both.
Kelson Service Inc. Specializing in optimizing each stage of the building lifecycle, Kelson provides innovative practical results for your engineering, commissioning, facility maintenance, emergency services and Energy needs.
Lakehead Polar Air Limited
Lancaster Group Inc. Fabrication, sheet metal, HVAC and mechanical services for industrial, commercial, institutional (ICI) and residential clients.
Lar-Mex Building Mechanical Systems Lar-Mex is a local, family operated, mechanical contracting firm with over 200 employees. We have been providing heating, ventilation and air conditioning (HVAC) services to the National Capital region since 1989. Our mission is to construct building mechanical systems with reliable mechanical services in order to earn our customers loyalty. Our team specializes in: Design and Construction of Building Mechanical Systems; Design and installation of Building Automation Systems; Design and installation of industrial boiler systems; 24-hour service for all of the above.
Laser Heating & A/C Inc.
Lekter Industrial Services Inc.
M.A.S. Mechanical Ltd.
M.C. Mechanical Services Inc. Commercial & Industrial HVAC/R Service, sales & installation of all major manufactures.
M.T.I. Mechanical Trade Industry Ltd.
Magtech Mechanical Systems
Main Air Systems Inc.
Major Air Systems Ltd.
Mapleridge Mechanical Contracting Inc.
Margell Mechanical Contractors Ltd.
Marshall Mechanical Inc.
Mayfair Systems
MDF Service
Mechanical Aire Services Ltd. (905) 629-4494
Metal-Air Mechanical Systems Ltd.
Mike Witherell Mechanical Ltd. Mike Witherell Mechanical offers services in refrigeration, heating, air conditioning, solar, electrical, testing and inspections.
Mitchell Refrigeration Limited
Modern Niagara Group of Companies Modern Niagara helps building owners, managers and general contractors meet the HVAC, mechanical, electrical and building control needs of their properties. We also offer building services that include proactive and emergency maintenance programs.
MSB Mechanical Ltd. MSB Mechanical Ltd offers various mechanical services in HVAC, Heating, Plumbing, and refrigeration. We range from large commercial mechanical construction projects, and installs, to various HVAC services requests and maintenances throughout the
N.L. Clarke Service Ltd., cob Trane Service Agency Commercial/Industrial refrigeration, air conditioning, heating and controls service, sales and installation.
National Mechanical Air Ltd. National Mechanical Air Ltd. is a commercial HVACR company providing services across the GTA.416-991-8009
Neelands Group Limited Neelands Group CO2 refrigeration and cooling systems provide a high performing resilient solution. Let us show you that you can improve your bottom line while meeting your sustainability objectives.
Nelco Mechanical Limited Refrigeration, HVAC, Plumbing, Heating, Electrical and Service. Commercial/Industrial/Institutional in the ICI Sector.
Nexus Mechanical Group Inc.
Nortek Mechanical Services
Northern Air Environmental Technologies Inc. Since 1968 Northern Air has been a leading provider of design-build projects, and the continued care of buildings with our extensive maintenance programs. Serving the ICI & Multi-Res sectors.
Nortown Air Systems Commercial/Industrial Heating & Cooling, Service & Installation.
Oakwood Mechanical Systems Ltd.
Ontario Heating & Air Conditioning Ltd. Commercial/Industrial - HVAC Preventative Maintenance and Inspections Programs; Building Service and Installation of Mechanical Systems, Controls and Building Automation.
OPUS Mechanical Services Ltd. Based in Vaughan, Ontario OPUS is a full service Mechanical Contractor specializing in Plumbing, Sheet Metal, Ventilation, Air Conditioning & Refrigeration skilled trade offerings in the Industrial, Commercial & Institutional
Pamar Mechanical Ltd. Pamar Mechanical Ltd. offers HVAC services in the GTA.416-720-6452
Penn Refrigeration Ltd. Since 1961 Penn Refrigeration has been selling, installing & servicing refrigeration, air conditioning, heating and ventilation equipment in St. Catharines, Ontario.
Pro-Tech Mechanical Services Ltd.
Pure Mechanical Pure Mechanical - commercial HVAC contractors in Oshawa, ON. Pure Mechanical provides commercial and industrial HVAC services across Oshawa, Pickering, Ajax, GTA
R & R Mechanical Group Inc. R & R Mechanical Group Inc. specializes in refrigeration, heating, and cooling.519-465-1845
R.E. Corner Refrigeration
ReadAir Mechanical Services Ltd. Service excellence above all. Heating, ventilation, air conditioning, and refrigeration (HVAC/R) for the industrial, commercial and institutional sectors
Reg Air Inc.
Responsive Multi-Tech Services Commercial/industrial refrigeration, air conditioning and heating service and installation.
RHA Environmental Inc.
Robcan Mechanical
Roberts Onsite Inc.
Romo Air Systems
Roper Controls Inc. Roper Controls is a union HVAC/R contractor with union refrigeration mechanics, gas fitters, electricians and pipe fitters. We have been providing exceptional service since 1989. RCI provides quality sales & service in all areas of the HVAC/R trade Canada wide.
Rosetown Central Refrigeration and A/C Commercial/Industrial/Institutional refrigeration, air-conditioning, heating, lab equipment – Service, Maintenance, Installation & Design
S & S Bolton Electric Inc.
S.I.G. Mechanical Services Limited
Seguin Morris Seguin Morris delivers top-quality electrical installation and maintenance services, at a competitive cost, for mid-sized public and private sector projects. We handle everything from electrical shutdowns, industrial hardware programming and control systems integration to engineering support and turnkey design-build
Sensible Heating & Air Conditioning Ltd.
Servocraft Limited ICI Sector / Electrical & Mechanical Contractors and Engineers
Snow's HVAC Services Sales and Service of Commercial and Industrial Heating, Ventilation, Air Conditioning and Refrigeration equipment.
Spectrum Mechanical Spectrum Mechanical is a leading provider of residential and commercial full mechanical services, specializing in retrofits and construction projects. Our technicians install and service sheet metal and duct work, plumbing piping, furnaces, central air conditioning systems, VRF systems, fireplaces, boilers, chillers, water heaters and more. With over 20 years of residential and commercial HVAC and Plumbing experience, let us show you how we can help.
Springbank Mechanical Systems Ltd. Ontario’s Premier Shopping Centre/Retail Specialist HVAC Contractor
Standard Mechanical Systems Ltd. Commercial Air Conditioning, Heating, Refrigeration & Energy Management Service & Installation. In business 44 years with 35 Offices/Depots across Canada
Superior Boiler Works & Welding Ltd. Superior Boiler Works & Welding Ltd. (“SBWW”) was founded in 1962 as a business specializing in the installation, service and repair of Boilers and Pressure Vessels. Over the past 55+ years, we have grown into one of our area’s largest General Contractors with divisions in HVAC/R, Mechanical, Electrical and Manufacturing that act as a team to create the successful company we are today. Our HVAC/R Division provides complete installation and service. SBWW provides quality design, installation and service for Heating, Ventilation, and Air Conditioning (HVAC) equipment in commercial and industrial markets and strives to maintain the highest level of design and engineering possible. Our service team provides preventative maintenance and 24/7 emergency Service repairs to customers who range from small commercial retail to large commercial and industrial plants. The SBWW Team is committed to delivering high quality products and services that satisfy our customers with whom we have established longstanding
T & M Mechanical Limited
Temp Air Control
Temp Wise Design and Maintenance Temp Wise Design and Maintenance specializes in commercial and industrial refrigeration, heating, air conditioning, ventilation, process heating and cooling, air auditing and balancing, gas services, and sensor calibration. We have over 50 years of combined experience and serve the Southwestern Ontario market.
The E.A. Group Engineering, Design Build & Service Contractors for Mission Critical Mechanical & Electrical Systems for the Data Centre Industry
The Plan Group
The State Group
Thermal Mechanical Systems Incorporated
Thermal Process Systems Inc. (Thermecs)
Trane Canada ULC Commercial HVAC Equipment, Earthwise Systems, Industrial Refrigeration, HVAC Service and Installation, Controls and Building Automation Services.
Trans Air Mechanical Ltd. Commercial/Industrial; Air Conditioning, Heating, Refrigeration, Humidification, Sales, Service, Installation.
Tri-Air Systems Commercial/Industrial heating, air contioning and refrigeration, service, maintenance and installation.905-470-2424
Weiss Service Associates Inc. 519-826-6955
Westaire Air Conditioning & Heating Ltd.
Wintech Air Systems Inc. Wintech Air Systems Inc. provides complete HVAC Services in Brampton, the GTA and across Ontario.
Xtra Mechanical Limited Commercial/Industrial Heating, Ventilation, Air conditioning & Controls Service and Installation